<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="div">
        <div>
            {{msg}}
        </div>
        <div v-html="msg"></div>
    </div>
</body>
<script src="../js/vue.js"></script>
<script>
    new Vue({
        el:"#div",
        data:{
            msg:"<b>hello</b>"
        }
    })
</script>
</html>